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Finding the Fourth Proportional to 443,686.56, 612,287.64 and 242,482.56

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Solution

The fourth proportional to 443,686.56, 612,287.64 and 242,482.56 is: 334,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,686.56 : 612,287.64 = 242,482.56 : x
  2. Step 2: Convert to fraction form
    443,686.56/612,287.64 = 242,482.56/x
  3. Step 3: Cross multiply
    443,686.56x = 612,287.64 × 242,482.56
  4. Step 4: Simplify right side
    443,686.56x = 148,469,074,403.56
  5. Step 5: Solve for x
    x = 148,469,074,403.56/443,686.56
  6. Step 6: Final answer
    x = 334,626.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.